package com.sjzs.web.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

/**
 * 获取spring容器，以访问容器中定义的其他bean
 */

public class SpringContextUtil implements ApplicationContextAware {
	// Spring应用上下文环境
	private static ApplicationContext applicationContext;
	/**
	 * 实现ApplicationContextAware接口的回调方法，设置上下文环境
	 * 
	 * @param applicationContext is ApplicationContext
	 */
	public void setApplicationContext(ApplicationContext applicationContext)
   {
		SpringContextUtil.applicationContext = applicationContext;
	}
	/**
	 * 
	 * @return applicationContext
	 */
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	/**
	 * 获取对象 这里重写了bean方法，起主要作用
	 * 
	 * @param beanId
	 *            is BeanName
	 * @return object is a.. 一个以所给名字注册的bean的实例
	 */
	public static Object getBean(String beanId) {
		//System.out.println(applicationContext==null);
		return applicationContext.getBean(beanId);
	}

	

	

}
